For example, in most of the indigenous languages of Australia words for 'my' and 'your' cannot be used with body parts.

例如，澳大利亚的很多土著语言里，单词‘我的’和‘你的’不能用于身体部位。

youdao

An Australian government survey in 2004 found that only 145 indigenous languages were still spoken in Australia and that 110 of these were severely or critically endangered.

BBC: Australian project hunts lost indigenous languages